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2007-06-19 13:30:45 · 1 answers · asked by Anonymous in Science & Mathematics Biology

1 answers

Gray whales are on the second trophic level (primary consumers) when they eat plankton that are producers. They are on the third trophic level (secondary consumers) when they eat plankton that are consumers, mollusks, crustaceans, and so on during their filter feeding.

2007-06-19 15:22:34 · answer #1 · answered by ecolink 7 · 0 0

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